High severity · published May 10, 2023
CVE-2023-23906
Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver
7.5
CVSS
1.3%
EPSS
No
On KEV
Description
Missing authentication for critical function exists in SkyBridge MB-A100/110 firmware Ver. 4.2.0 and earlier, which may allow a remote unauthenticated attacker to execute some critical functions without authentication, e.g., rebooting the product.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Skybridge Mb-a100 Firmware · Seiko-sol
through 4.2.0 · source: NVD
SM
Skybridge Mb-a110 Firmware · Seiko-sol
through 4.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-23906
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-23906
Third Party Advisory
https://jvn.jp/en/jp/JVN40604023/
Vendor Advisory
https://www.seiko-sol.co.jp/archives/73969/
Product
https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a100/
Product
https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a130/
Product
https://www.seiko-sol.co.jp/products/skybridge/skybridge_download/mb-a200/
Product
https://www.seiko-sol.co.jp/products/skyspider/skyspider_download/mb-r210/
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